Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schulz-und-schulz.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:49:12 UTC · ↺ Refresh
MX Hostnames
- mail.schulzarchitekten.de
- mailserver.schulz-und-schulz.com
MX Priorities
- mail.schulzarchitekten.de: 10
- mailserver.schulz-und-schulz.com: 5
A / AAAA Records
- 188.94.254.121 (no PTR)
Mail Server IPs
- 87.139.249.197 ↩ mail.schulzarchitekten.de
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1720758918 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1720758918
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.co
ns01.agenturserver.it
ns01.agenturserver.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
Full email verification for schulz-und-schulz.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits